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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> htip Ilwww mccampbei]com Jrmaai mam(amccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> BatchlD 2387 Matrix W WorkOrder 0206152 <br /> EPA Method SW8015C Extraction SW3510C Ext Date 6111102 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' �MS-MSD- LCS I LCSD LCS-LCSDIAcGeptance Criteria(%) <br /> Compound <br /> E pg/L pg/L I %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(d) N/A 7500 N/A I NIA NIA 100 110 9 1 70 130 <br /> %SS N/A 2500 N/A N/A N/A 109 121 10 , 70 130 <br /> All target compounds in the Method Blank of this extraction batch were IND less than the method RL with the following exceptions <br /> NONE <br /> 1 � <br /> I <br /> MS=Malnx Spike,MSD=Matrix Spike Duphcate ICS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relabve Percent <br />' Deviation <br /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MSSampley(Amount Spiked),RPD=100'(MS-MSD)1(MS+MSD)'2 <br />' •MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample mains interferes with spike recovery <br />' Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> 1 <br />